Description of animal (including name): 11-year-old Dog (named Betsy)
The ramp lead observed Betsy with one eye partially closed and tearing up prior to the flight.

Narrative description of incident: (in flight passing)
A dog traveling in the animal hold, passed away during the flight, due to an unknown cause. When the owner was told of the petâ€™s death, they mentioned that Betsy had been under stress during the familyâ€™s move.

Narrative description of the cause of the incident:
Unknown cause.

Narrative description of any corrective action taken in response to the incident:
Absent known cause, no action required beyond appropriate communication with Betsyâ€™s owners.